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An Australian tyre manufacturer operates a plant in Melbourne and another plant in Adelaide. Employees at each plant have been evenly divided among three issues (wages, working conditions and super benefits) in terms of which one they feel should be the primary issue in the upcoming contract negotiations. The secretary of the union has recently circulated pamphlets among the employees, attempting to convince them that super benefits should be the primary issue. A subsequent survey revealed the following breakdown of the employees according to the plant at which they worked and the issue that they felt should be supported as the primary one. Do the data indicate at the 5% significance level that there are differences between the two plants regarding which issue should be the primary one?
Power Factor
A dimensionless number between -1 and 1 that represents the phase difference between the voltage and current in an alternating current (AC) electrical circuit.
Parallel Circuit
A circuit configuration where components are connected across each other's points, allowing multiple paths for the current to flow.
Inductive Reactance
A property of an electrical circuit element that opposes the change in current flow, especially notable in coils or inductors, affected by frequency and inductance.
Total Current
The overall flow of electric charge through a circuit, determined by the sum of all individual current paths within the circuit.
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